For filmmakers, the biggest weakness of smartphone video has never been resolution. It has been motion. More specifically, how stabilization, autofocus, and handheld movement interact during a real shot. Walking, reframing, pulling focus, or simply holding a shot for several seconds often exposes small instabilities that break the cinematic illusion. A newly granted patent, US 12,498,537 B1, shows that Apple is deeply aware of this problem.
Source: Apple’s New Sensor Shift Design Is Built for Stable Focus in Handheld Video – Y.M.Cinema Magazine